Board of Commissioners of Currency, Singapore, a selection comprising $1, 5 and 10, ND (1984-), $500, ND (1988), prefix A/1, green and multicoloured, cargo ship at left, Hu Tsu Tau signature, also $2 (2), ND (1990) (Pick 18a, 19, 20, 24, 27, 28, ), generally uncirculated, the $500 original, almost extremely fine (6)